It was reported that during set-up of the device for a cardiopulmonary bypass procedure, the cooler heater unit alarmed "pump not primed" three times in a row, while the perfusionist was trying to prime the circuit.The front panel red light emitting diode (led) was lit.The unit was being set-up for an emergency heart, but the patient was not there yet.As a result, an alternate device was employed.The surgical procedure was completed successfully.There were no delays, no blood loss, or no adverse consequences to the patient.
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